1.1820 (C55W)

Classification

Country Section Category
Germany Non-alloy Special Steels Tool Steel

Chemical composition

Standard Fe, % Si, % Mn, % P, % C, % S, %
98.71–99.2 < 0.15 0.3–0.5 < 0.03 0.5–0.58 < 0.03

Information on suppliers

Brinell hardness number

Rolling Standard Classifiers Value, HBW
annealing < 170

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
P % Phosphorus
C % Carbon
S % Sulfur